xper,xns,xew,xco
0.100000001 , 200.126419 , 138.956390 , 1190.19995
0.200000003 , 256.065063 , 193.869781 , 1375.00000
0.300000012 , 361.186493 , 214.886429 , 1375.00000
0.500000000 , 612.272278 , 340.984436 , 1375.00000
1.00000000 , 148.928024 , 190.184555 , 800.250000
2.00000000 , 58.7591324 , 78.1143188 , 399.850006
3.00000000 , 41.4847946 , 37.7532806 , 266.750000